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प्रश्न
In the following reaction, metal 'M' CANNOT be ____________.
\[\ce{M + O2 ->[\Delta] MO2}\]
पर्याय
Be and Ca
Ba and Ra
Sr and Ra
Ba and Sr
MCQ
रिकाम्या जागा भरा
उत्तर
In the following reaction, metal 'M' CANNOT be Be and Ca.
\[\ce{M + O2 ->[\Delta] MO2}\]
Explanation:
Beryllium is kinetically inert to the oxygen reaction, therefore it cannot easily create peroxide, but it can develop an oxide (BeO) layer on its surface. Be, Mg, and Ca create oxides [MO] when heated with pure oxygen, whereas Ba, Sr, and Ra form peroxides [MO2].
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Alkali Metals and Alkaline Earth Metals
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